468 PRACTICAL ZOOLOGY 



REFERENCES 



Wild Life Conservation, by W. T. Hornaday. Yale University Press, New 



Haven, Conn. 

 The American Natural History, by W. T. Hornaday. Charles Scribner's 



Sons, New York. 

 Our Vanishing Wild Life, by W. T. Hornaday. Charles Scribner's Sons, 



New York. 

 Bulletins and Circulars prepared by the Bureau of the Biological Survey, 



U. S. Department of Agriculture. 



